Patents by Inventor William R. Lucas

William R. Lucas has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • FASTENER HAVING A COMPOUND RECESS
    Publication number: 20190003510
    Abstract: A drivable threaded fastener including: a head including a recess; and a shank extending from the head, the recess includes a first recess having a first drive-shape, and a second recess having a second drive-shape different from the first drive-shape, the second recess extends beyond a bottom of the first recess in a direction towards the shank, the first recess is configured to be driven and the second recess is configured to be driven.
    Type: Application
    Filed: June 26, 2018
    Publication date: January 3, 2019
    Inventors: Carl Chasse, William R. Lucas